Question

give me 10 examples of reversible and irriversible changes

Answer 1

reversible changes-
1.Melting of ice
2.blowing the balloon.
3.writing with pencil on paper and rubbing with .eraser.
4.stretching rubber or spring 
5.melting of butter
6.folding a paper.
7.boiling of water.
8.dissolution of sugar in water.
9.distillation of liquid
10.sublimation

irriversible changes-
1.burning of fuel.
2.cooking of food.
3.rusting of iron.
4.making dough from dry wheat flour.
5.burning of wood.
6.souring of milk
7.ripening of fruits
8.chopping of wood.
9.making of curd from milk
10.growth of plants and animals.

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Answer 2

Hey Friend !

Reversible Changes [ Physical Changes ]

<> Blowing a balloon
<> Burning of candle
<> Drying of wet clothes
<> Drawing a picture with a pencil and erasing it with an eraser
<> Melting of ice
<> Adding of salt to water [ salt can be obtained by boiling the water ]
<> Stretching of an elastic band
<> Evaporation of water [ water can be obtained from the droplets when the utensil is closed with a lid ]
<> Melting of butter
<> Melting of chocolate

Irreversible changes [ chemical changes ]
<> Baking of food
<> Cooking of food
<> Rusting of an iron rod
<> Burning of paper
<> Making cheese into yogurt
<> Mixing of vinegar and sodium bicarbonate.
<> Frying of raw egg.
<> Blooming of flowers
<> Melting of wax of candle [ new substance is formed - (wax) on burning candle ]
<> Ripening of fruits